Home / 72,987,486.31-100,711,896.01-44,329,419.86

Finding the Fourth Proportional to 72,987,486.31, 100,711,896.01 and 44,329,419.86

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Solution

The fourth proportional to 72,987,486.31, 100,711,896.01 and 44,329,419.86 is: 61,168,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,987,486.31 : 100,711,896.01 = 44,329,419.86 : x
  2. Step 2: Convert to fraction form
    72,987,486.31/100,711,896.01 = 44,329,419.86/x
  3. Step 3: Cross multiply
    72,987,486.31x = 100,711,896.01 × 44,329,419.86
  4. Step 4: Simplify right side
    72,987,486.31x = 4,464,499,923,383,230
  5. Step 5: Solve for x
    x = 4,464,499,923,383,230/72,987,486.31
  6. Step 6: Final answer
    x = 61,168,018.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.